- Skill tree
- Firebird Flute
- Upgrade cost
- 5,500 Red souls
- Mission requirement
- Hidden Oni power after A Strength in Refuge
- Unlock location
- Not yet verified for this hidden-power milestone.
- Activation
- Press Oni Armament While Firebird Flute Is Active
Reference tables
1 table
Unlock path
Buy these skills in order. Each row shows that skill's price; totals include the target and every earlier skill on this path.
| Step | Skill | Cost | Unlock requirement |
|---|---|---|---|
| 1 | Firebird Flute | No upgrade currency | Obtain Firebird Flute |
| 2 | Firebird Flute: Charged Shot | 3 Oni Stones | Hidden Oni power after A Strength in Refuge |
| 3 | Firebird Flute: Power | 5,500 Red souls | Hidden Oni power after A Strength in Refuge |